Quantum Framework

Quantum Framework (previously Titan) is an open source
responsive, advanced and flexible CSS framework that lets you put your
creativity to best use.

With Quantum framework, web developers get unsurpassed
versatility
with 120+ container sizes, multiple gutter sizes, all in combination of
12-16 columns, allowing you to do wonders with your web designs.

Quantum framework is a comprehensive package of all tools
necessary to design a beautiful, sturdy, scalable, and browser friendly
website.